Merge pull request #165 from tombokombo/feature/fluentbit_pdb_ingress…

…_hpa
fluent · Dec 20, 2021 · 1eb3dba · 1eb3dba
2 parents 0aa822b + 8c15279
commit 1eb3dba
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diff --git a/charts/fluent-bit/Chart.yaml b/charts/fluent-bit/Chart.yaml
@@ -5,7 +5,7 @@ keywords:
   - logging
   - fluent-bit
   - fluentd
-version: 0.19.11
+version: 0.19.12
 appVersion: 1.8.11
 icon: https://fluentbit.io/assets/img/logo1-default.png
 home: https://fluentbit.io/

diff --git a/charts/fluent-bit/templates/_helpers.tpl b/charts/fluent-bit/templates/_helpers.tpl
@@ -62,6 +62,38 @@ Create the name of the service account to use
 {{- end -}}
 {{- end -}}
 
+{{/*
+Ingress ApiVersion according k8s version
+*/}}
+{{- define "fluent-bit.ingress.apiVersion" -}}
+{{- if and (.Capabilities.APIVersions.Has "networking.k8s.io/v1") (semverCompare ">=1.19-0" .Capabilities.KubeVersion.GitVersion) -}}
+networking.k8s.io/v1
+{{- else if and (.Capabilities.APIVersions.Has "networking.k8s.io/v1beta1") (semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion) -}}
+networking.k8s.io/v1beta1
+{{- else -}}
+extensions/v1beta1
+{{- end }}
+{{- end }}
+
+{{/*
+Return if ingress is stable.
+*/}}
+{{- define "fluent-bit.ingress.isStable" -}}
+  {{- eq (include "fluent-bit.ingress.apiVersion" .) "networking.k8s.io/v1" -}}
+{{- end -}}
+{{/*
+Return if ingress supports ingressClassName.
+*/}}
+{{- define "fluent-bit.ingress.supportsIngressClassName" -}}
+  {{- or (eq (include "fluent-bit.ingress.isStable" .) "true") (and (eq (include "fluent-bit.ingress.apiVersion" .) "networking.k8s.io/v1beta1") (semverCompare ">= 1.18-0" .Capabilities.KubeVersion.Version)) -}}
+{{- end -}}
+{{/*
+Return if ingress supports pathType.
+*/}}
+{{- define "fluent-bit.ingress.supportsPathType" -}}
+  {{- or (eq (include "fluent-bit.ingress.isStable" .) "true") (and (eq (include "fluent-bit.ingress.apiVersion" .) "networking.k8s.io/v1beta1") (semverCompare ">= 1.18-0" .Capabilities.KubeVersion.Version)) -}}
+{{- end -}}
+
 {{/*
 Pdb apiVersion according k8s version and capabilities
 */}}

diff --git a/charts/fluent-bit/templates/ingress.yaml b/charts/fluent-bit/templates/ingress.yaml
@@ -0,0 +1,62 @@
+{{- $ingressApiIsStable := eq (include "fluent-bit.ingress.isStable" .) "true" -}}
+{{- $ingressSupportsIngressClassName := eq (include "fluent-bit.ingress.supportsIngressClassName" .) "true" -}}
+{{- $ingressSupportsPathType := eq (include "fluent-bit.ingress.supportsPathType" .) "true" -}}
+{{- $fullName := include "fluent-bit.fullname" . -}}
+{{- $svcPort := .Values.service.port -}}
+
+{{- if and ( eq .Values.kind "Deployment" ) .Values.ingress.enabled }}
+apiVersion: {{ include "fluent-bit.ingress.apiVersion" . }}
+kind: Ingress
+metadata:
+  name: {{ $fullName }}
+  labels:
+    {{- include "fluent-bit.labels" . | nindent 4 }}
+  {{- with .Values.ingress.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  {{- if and $ingressSupportsIngressClassName .Values.ingress.ingressClassName }}
+  ingressClassName: {{ .Values.ingress.ingressClassName }}
+  {{- end -}}
+  {{- if .Values.ingress.tls }}
+  tls:
+    {{- range .Values.ingress.tls }}
+    - hosts:
+        {{- range .hosts }}
+        - {{ . | quote }}
+        {{- end }}
+      {{- with .secretName }}
+      secretName: {{ . }}
+      {{- end }}
+    {{- end }}
+  {{- end }}
+  rules:
+    {{- range concat .Values.ingress.hosts .Values.ingress.extraHosts }}
+    - host: {{ .host | quote }}
+      http:
+        paths:
+          - path: /
+            {{- if $ingressSupportsPathType }}
+            pathType: Prefix
+            {{- end }}
+            backend:
+              {{- if $ingressApiIsStable }}
+              service:
+                name: {{ $fullName }}
+                port:
+                  {{- if .port }}
+                  number: {{ .port }}
+                  {{- else }}
+                  number: {{ $svcPort }}
+                  {{- end }}
+              {{- else }}
+              serviceName: {{ $fullName }}
+              {{- if .port }}
+              servicePort: {{ .port }}
+              {{- else }}
+              servicePort: {{ $svcPort }}
+              {{- end }}
+              {{- end }}
+    {{- end }}
+{{- end }}
diff --git a/charts/fluent-bit/values.yaml b/charts/fluent-bit/values.yaml
@@ -147,6 +147,24 @@ resources: {}
 #     cpu: 100m
 #     memory: 128Mi
 
+## only available if kind is Deployment
+ingress:
+  enabled: false
+  className: ""
+  annotations: {}
+    # kubernetes.io/ingress.class: nginx
+    # kubernetes.io/tls-acme: "true"
+  hosts: []
+  # - host: fluent-bit.example.tld
+  extraHosts: []
+  # - host: fluent-bit-extra.example.tld
+      ## specify extraPort number
+  #   port: 5170
+  tls: []
+  #  - secretName: fluent-bit-example-tld
+  #    hosts:
+  #      - fluent-bit.example.tld
+
 ## only available if kind is Deployment
 autoscaling:
   enabled: false